STATEMENT OF CASH FLOWS SUPPLEMENTAL INFORMATION - Additional Information (Detail) - USD ($) $ / shares in Units, shares in Millions	12 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	May 01, 2023	Apr. 30, 2023
Cash and Cash Equivalents [Line Items]
Redeemable Noncontrolling Interest, Equity, Preferred, Carrying Amount	$ 237,739,000	$ 35,180,000
Common stock, par value (in usd per share)	$ 0.01	$ 0.01		$ 0.01
Issuance of nonvested common stock ( in shares)	0.1	0.1
Issuance of nonvested common stock, value	$ 700,000	$ 700,000
Share-based payment arrangement, accelerated cost	57,400
Aerojet Share
Cash and Cash Equivalents [Line Items]
Aerojet common stock proceeds receivable	154,500,000	0
Aerojet Share | Exchange Transaction Agreement | Steel Partners | Exchanging Parties
Cash and Cash Equivalents [Line Items]
Common stock, shares exchanged (in shares)			3.6
Common stock, par value (in usd per share)			$ 0.10
Series E Contingently Redeemable Preferred Stock
Cash and Cash Equivalents [Line Items]
Redeemable Noncontrolling Interest, Equity, Preferred, Carrying Amount	$ 202,733,000	$ 0